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Fastest way to remove first char in a String
...a problem for you - in which case the only way you'd know would be to have test cases, and then it's easy to just run those test cases for each option and compare the results. I'd expect Substring to probably be the fastest here, simply because Substring always ends up creating a string from a singl...
Officially, what is typename for?
...veral types. For example you can write:
template<typename T>
struct test {
typedef T* ptr;
};
template<> // complete specialization
struct test<int> { // for the case T is int
T* ptr;
};
One might ask why is this useful and indeed: That really looks useless. Bu...
How are “mvn clean package” and “mvn clean install” different?
... information is available
compile - compile the source code of the project
test - test the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or deployed
package - take the compiled code and package it in its distributable format, such a...
Why does typeof NaN return 'number'?
... or
greater than +1.
All these values may not be the same. A simple test for a NaN is to test value == value is false.
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Using a bitmask in C#
...6, Sun = 32 }
DaysBitMask mask = DaysBitMask.Sat | DaysBitMask.Thu;
bool test;
if ((mask & DaysBitMask.Sat) == DaysBitMask.Sat)
test = true;
if ((mask & DaysBitMask.Thu) == DaysBitMask.Thu)
test = true;
if ((mask & DaysBitMask.Wed) != DaysBitMask.Wed)
test = true;
// Store...
Fluent Validation vs. Data Annotations [closed]
...d to Data Annotations
It separates the validation from my view models
Unit testing is far easier compared to Data Annotations
It has excellent client side validation support for most standard validation rules
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Facebook API “This app is in development mode”
...
Development mode is for testing
Go to https://developers.facebook.com/apps, then App Review -> Select No for Your app is in development and unavailable to the public
Go to Roles -> Testers, enter the Facebook user Id of the users you want to e...
How do you set a default value for a MySQL Datetime column?
...ith DATETIME...
But you can do it with TIMESTAMP:
mysql> create table test (str varchar(32), ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP);
Query OK, 0 rows affected (0.00 sec)
mysql> desc test;
+-------+-------------+------+-----+-------------------+-------+
| Field | Type | Null | Key | ...
Node.js project naming conventions for files & folders
...pplication
/config - your configuration
/public - your public files
/test - your tests
An example which uses this setup is nodejs-starter.
I personally changed this setup to:
/
/etc - contains configuration
/app - front-end javascript files
/config - loads config
/models - load...
How to merge a transparent png image with another image using PIL
...
import Image
background = Image.open("test1.png")
foreground = Image.open("test2.png")
background.paste(foreground, (0, 0), foreground)
background.show()
First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the thi...